#include <iostream>
#include <cstring>

using namespace std;

bool pd( int n )
{
    if ( n % 100 && ( !( n % 4 ) || !( n % 400 ) ) ) return true;
    return false;
}

int main()
{
    int n, m; cin >> n >> m;
    int a[] = { 0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
    if ( pd(n) ) a[2] ++ ;
    cout << a[m];
    return 0;
}